$536 Cheap Flights from San Juan (SJU) to Southampton (SOU)

View $536 flight on Fri, Oct 17, 2025Opens in a new window

Popular airlines from Luis Munoz Marin Intl. Airport (SJU) to Southampton (SOU)

Cheap Flights from San Juan to Southampton (SJU-SOU)

Prices were available within the past 7 days and start at $536 for one-way flights and $753 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Dec 30 - Thu, Jan 8
SJU
San Juan
SOU
Southampton
$753 Roundtrip, just found
$753
Roundtrip
just found
Select Delta flight, departing Tue, Dec 30 from San Juan to Southampton, returning Thu, Jan 8, priced at $753 just found
Delta
Wed, Feb 18 - Mon, Mar 2
SJU
San Juan
SOU
Southampton
$754 Roundtrip, found 4 days ago
$754
Roundtrip
found 4 days ago
Select Delta flight, departing Wed, Feb 18 from San Juan to Southampton, returning Mon, Mar 2, priced at $754 found 4 days ago
Delta
Wed, Feb 18 - Thu, Mar 5
SJU
San Juan
SOU
Southampton
$759 Roundtrip, found 4 days ago
$759
Roundtrip
found 4 days ago
Select Delta flight, departing Wed, Feb 18 from San Juan to Southampton, returning Thu, Mar 5, priced at $759 found 4 days ago
Virgin Atlantic
Mon, Jan 19 - Fri, Jan 30
SJU
San Juan
SOU
Southampton
$764 Roundtrip, found 4 days ago
$764
Roundtrip
found 4 days ago
Select Virgin Atlantic flight, departing Mon, Jan 19 from San Juan to Southampton, returning Fri, Jan 30, priced at $764 found 4 days ago
Virgin Atlantic
Mon, Jan 19 - Tue, Feb 3
SJU
San Juan
SOU
Southampton
$769 Roundtrip, found 4 days ago
$769
Roundtrip
found 4 days ago
Select Virgin Atlantic flight, departing Mon, Jan 19 from San Juan to Southampton, returning Tue, Feb 3, priced at $769 found 4 days ago
Delta
Wed, Feb 25 - Thu, Mar 12
SJU
San Juan
SOU
Southampton
$775 Roundtrip, found 4 days ago
$775
Roundtrip
found 4 days ago
Select Delta flight, departing Wed, Feb 25 from San Juan to Southampton, returning Thu, Mar 12, priced at $775 found 4 days ago
KLM
Tue, Feb 17 - Mon, Mar 2
SJU
San Juan
SOU
Southampton
$780 Roundtrip, found 4 days ago
$780
Roundtrip
found 4 days ago
Select KLM flight, departing Tue, Feb 17 from San Juan to Southampton, returning Mon, Mar 2, priced at $780 found 4 days ago
KLM
Tue, Feb 17 - Thu, Mar 5
SJU
San Juan
SOU
Southampton
$785 Roundtrip, found 4 days ago
$785
Roundtrip
found 4 days ago
Select KLM flight, departing Tue, Feb 17 from San Juan to Southampton, returning Thu, Mar 5, priced at $785 found 4 days ago
Delta
Tue, Jan 20 - Tue, Feb 3
SJU
San Juan
SOU
Southampton
$800 Roundtrip, found 4 days ago
$800
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Jan 20 from San Juan to Southampton, returning Tue, Feb 3, priced at $800 found 4 days ago
Aer Lingus
Tue, Mar 3 - Wed, Mar 18
SJU
San Juan
SOU
Southampton
$980 Roundtrip, found 4 days ago
$980
Roundtrip
found 4 days ago
Select Aer Lingus flight, departing Tue, Mar 3 from San Juan to Southampton, returning Wed, Mar 18, priced at $980 found 4 days ago
Flights from San Juan (SJU) to Southampton (SOU)
Origin airport
Luis Munoz Marin Intl.
Destination airport
Southampton
Airlines serving
Delta, Virgin Atlantic
Roundtrip price
$753
Distance
4138 mi

San Juan to Southampton Flights

The cheapest times to fly from San Juan to Southampton

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Juan to Southampton are during the month of December. You can find some of the cheapest flights from San Juan to Southampton with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Juan to Southampton

Sunday is one of the best days to book for cheap flights from San Juan to Southampton: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from San Juan to Southampton

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Juan to Southampton in 2025. You can also book with separate airlines for your outbound and return journeys, from $536 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Juan to Southampton flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Juan to Southampton airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Luis Munoz Marin Intl. Airport (SJU) to Southampton Airport (SOU) cost?
Snag a cheap one-way flight from $536 or cheap return flight from $753 from Luis Munoz Marin Intl. Airport (SJU) to Southampton Airport (SOU) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Luis Munoz Marin Intl. Airport (SJU) to Southampton Airport (SOU)?
December is the most affordable month to fly from SJU to SOU. Planning your trip for the off-season is often the key to landing a great deal.
What is the cheapest airline that flies from Luis Munoz Marin Intl. Airport (SJU) to Southampton Airport (SOU)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest SJU to SOU flight.
How many flights per day from Luis Munoz Marin Intl. Airport (SJU) to Southampton Airport (SOU)?
Nonstop flights from Luis Munoz Marin Intl. Airport (SJU) to Southampton Airport (SOU) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SJU to SOU?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change depending on a range of factors, such as the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Luis Munoz Marin Intl. Airport (SJU) to Southampton Airport (SOU)?
Choose a flight from Luis Munoz Marin Intl. Airport (SJU) to Southampton Airport (SOU) that takes off before 3 PM to reduce the likelihood of delays. Departures after this hour have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Luis Munoz Marin Intl. Airport (SJU) to Southampton Airport (SOU) last-minute?
Holding off until just before your departure to book a flight from SJU to SOU often results in higher prices. While you may come across some last-minute offers, there's no guarantee. Be flexible with your itinerary for the best chance of getting a bargain.
Is it cheaper to book a SJU to SOU flight and hotel package?
You'll typically save money by securing a SJU to SOU flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. Once you've selected your ideal accommodations and flights, consider adding extras including car rentals, activities and tours.
Can I cancel or change the date of my flight from Luis Munoz Marin Intl. Airport (SJU) to Southampton Airport (SOU)?
If you reserved your SJU to SOU flight within the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of ticket you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for further details.

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*Available to One Key members.